Index: src/wp-admin/js/common.js
===================================================================
--- src/wp-admin/js/common.js	(revision 31345)
+++ src/wp-admin/js/common.js	(working copy)
@@ -707,7 +707,15 @@
 
 	window.wpResponsive = {
 		init: function() {
-			var self = this;
+			var self = this,
+			wpTouchMenu = {
+				started: false,
+				tracking: false,
+				startX: 0,
+				startY: 0,
+				open: false,
+				rtl: ( 'rtl' === document.documentElement.getAttribute( 'dir' ) )
+			};
 
 			// Modify functionality based on custom activate/deactivate event
 			$document.on( 'wp-responsive-activate.wp-responsive', function() {
@@ -725,11 +733,117 @@
 				if ( $wpwrap.hasClass( 'wp-responsive-open' ) ) {
 					$(this).find('a').attr( 'aria-expanded', 'true' );
 					$( '#adminmenu a:first' ).focus();
+					wpTouchMenu.open = true;
 				} else {
 					$(this).find('a').attr( 'aria-expanded', 'false' );
+					wpTouchMenu.open = false;
 				}
 			} );
 
+			$( window ).on( 'touchstart.wp-responsive', function( e ) {
+				var touches = e.originalEvent.touches,
+				touch,
+				winWidth = Math.max( window.innerWidth, document.documentElement.clientWidth );
+
+				// if it's multi touch bail
+				if ( 1 !== touches.length ) {
+					return;
+				}
+
+				touch = touches[0];
+				console.log( touch );
+
+				// start swipe interaction
+				wpTouchMenu.started = true;
+				wpTouchMenu.startX = touch.clientX;
+				wpTouchMenu.startY = touch.clientY;
+			} );
+
+			$( window ).on( 'touchmove.wp-responsive', function( e ) {
+				var touches, touch;
+				// if it didn't qualify for potential menu
+				// open bail
+				if ( ! wpTouchMenu.started ) {
+					return;
+				}
+
+				touches = e.originalEvent.changedTouches;
+
+				// no multitouch
+				if ( 1 !== touches.length ) {
+					wpTouchMenu.started = false;
+					wpTouchMenu.startX = 0;
+					wpTouchMenu.startY = 0;
+					return;
+				}
+
+				touch = touches[0];
+
+				// cancel open/close if we're not going in the right direction
+				if (
+					( ! wpTouchMenu.rtl && ! wpTouchMenu.open && touch.clientX <= wpTouchMenu.startX ) ||
+					( ! wpTouchMenu.rtl && wpTouchMenu.open && wpTouchMenu.startX <= touch.clientX ) ||
+					( wpTouchMenu.rtl && ! wpTouchMenu.open && wpTouchMenu.startX <= touch.clientX ) ||
+					( wpTouchMenu.rtl && wpTouchMenu.open && touch.clientX <= wpTouchMenu.startX )
+				) {
+					wpTouchMenu.started = false;
+					wpTouchMenu.startPosition = 0;
+					return;
+				}
+
+				wpTouchMenu.tracking = true;
+			} );
+
+			$( window ).on( 'touchend.wp-responsive', function( e ) {
+				var touches = e.originalEvent.changedTouches,
+				touch,
+				movedX = 0,
+				movedY = 0;
+
+				// only process if we're tracking and it's not multi touch
+				if ( ! wpTouchMenu.tracking || 1 !== touches.length ) {
+					wpTouchMenu.started = false;
+					wpTouchMenu.startX = 0;
+					wpTouchMenu.startY = 0;
+					wpTouchMenu.tracking = false;
+					return;
+				}
+
+				touch = touches[0];
+				// calculate how far along the x axis has been moved
+				if ( wpTouchMenu.rtl ) {
+					if ( wpTouchMenu.open ) {
+						movedX = touch.clientX - wpTouchMenu.startX;
+					} else {
+						movedX = wpTouchMenu.startX - touch.clientX;
+					}
+				} else {
+					if ( wpTouchMenu.open ) {
+						movedX = wpTouchMenu.startX - touch.clientX;
+					} else {
+						movedX = touch.clientX - wpTouchMenu.startX;
+					}
+				}
+
+				// calculate y axis movement this should always be positive
+				if ( touch.clientY < wpTouchMenu.startY ) {
+					movedY = wpTouchMenu.startY - touch.clientY;
+				} else {
+					movedY = touch.clientY - wpTouchMenu.startY;
+				}
+
+				// if it's 20% or more trigger the menu
+				if ( movedY < movedX ) {
+					$( '#wp-admin-bar-menu-toggle' ).trigger( 'click' );
+				}
+
+				// reset our values
+				wpTouchMenu.started = false;
+				wpTouchMenu.startX = 0;
+				wpTouchMenu.startY = 0;
+				wpTouchMenu.tracking = false;
+			} );
+
 			// Add menu events
 			$adminmenu.on( 'click.wp-responsive', 'li.wp-has-submenu > a', function( event ) {
 				if ( ! $adminmenu.data('wp-responsive') ) {